Call us: +86 0755-82563503

Currency: $ US Dollar

Items : %s%s

RTCs

Compare Image Name Manufacturer Pricing(USD) Quantity Weight(Kg) Size(LxWxH) Datasheet Factory Lead Time Mount Packaging Published Pbfree Code Part Status Moisture Sensitivity Level (MSL) Number of Terminations ECCN Code Max Operating Temperature Min Operating Temperature Operating Supply Voltage Length RoHS Status Lead Free Radiation Hardening Number of Pins Package / Case Interface Max Supply Voltage Reach Compliance Code Min Supply Voltage Width Mounting Type Operating Temperature Technology Height Seated (Max) HTS Code Type JESD-609 Code Terminal Finish Terminal Position Peak Reflow Temperature (Cel) Supply Voltage Time@Peak Reflow Temperature-Max (s) Base Part Number Pin Count Temperature Grade Surface Mount Terminal Pitch JESD-30 Code Supply Voltage-Min (Vsup) Subcategory Qualification Status Power Supplies Supply Voltage-Max (Vsup) Feature Supplier Device Package Logic Function Memory Size Voltage - Supply Time Format External Data Bus Width uPs/uCs/Peripheral ICs Type Clock Frequency Time-Min Interrupt Capability Volatile Information Access Method Number of Timers Date Format Current - Timekeeping (Max) Voltage - Supply, Battery
RX-8581SA-B3 RX-8581SA-B3 EPSON 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 Tape and Reel
DS1685EN-5 DS1685EN-5 Rochester Electronics 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Tube no Obsolete 1 (Unlimited) 24 7.8mm Non-RoHS Compliant 24-TSSOP (0.173, 4.40mm Width) Parallel unknown 4.4mm Surface Mount -40°C~85°C CMOS 1.1mm Clock/Calendar e0 TIN LEAD DUAL 240 5V 20 24 YES 0.65mm R-PDSO-G24 COMMERCIAL Alarm, NVSRAM, Square Wave Output, Y2K 242B 4.5V~5.5V HH:MM:SS (12/24 hr) 8 0.032MHz 1 YY-MM-DD-dd 3mA @ 5V 2.5V~3.7V
1339B-31DVGI8 1339B-31DVGI8 Renesas Electronics America 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 Tape & Reel (TR) Last Time Buy 1 (Unlimited) 8-TSSOP, 8-MSOP (0.118, 3.00mm Width) I2C Surface Mount -40°C~85°C Clock/Calendar Alarm, Leap Year, Square Wave Output, Trickle-Charger 2.7V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 200μA @ 3.63V~5.5V 1.3V~3.7V
PCF8523TS/1,112 PCF8523TS/1,112 Rochester Electronics 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Tube Obsolete 1 (Unlimited) ROHS3 Compliant 14-TSSOP (0.173, 4.40mm Width) I2C, 2-Wire Serial Surface Mount -40°C~85°C Clock/Calendar Alarm, Leap Year, Watchdog Timer 14-TSSOP 1.6V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 0.5μA @ 2V~5V 1.8V~5.5V
ISL12029IV27Z-T ISL12029IV27Z-T Renesas Electronics America 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Cut Tape (CT) Obsolete 1 (Unlimited) ROHS3 Compliant 14-TSSOP (0.173, 4.40mm Width) I2C, 2-Wire Serial Surface Mount -40°C~85°C Clock/Calendar ISL12029 Alarm, Leap Year, Supervisor, Watchdog Timer 2.7V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 10μA~20μA @ 2.7V~5.5V 1.8V~5.5V
X1228V14-2.7 X1228V14-2.7 Intersil (Renesas Electronics America) 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 Surface Mount Bulk 14 EAR99 70°C 0°C 5mm RoHS Compliant Contains Lead TSSOP 2-Wire, I2C, Serial 4.4mm CMOS 1.2mm 8542.39.00.01 e0 Tin/Lead (Sn/Pb) DUAL 5V 14 COMMERCIAL 0.65mm R-PDSO-G14 2.7V Timer or RTC Not Qualified 3/5V 5.5V 512B HH:MM:SS (12/24 hr) TIMER, REAL TIME CLOCK 0.032MHz SECONDS Y YES I2C 1 YY-MM-DD-dd
ISL12059IBZ ISL12059IBZ Renesas Electronics America 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Tube Obsolete 2 (1 Year) ROHS3 Compliant 8-SOIC (0.154, 3.90mm Width) I2C, 2-Wire Serial Surface Mount -40°C~85°C Clock/Calendar ISL12059 Leap Year 1.8V~3.6V HH:MM:SS (24 hr) YY-MM-DD-dd 0.65μA @ 1.8V
PT7C43190WE PT7C43190WE Diodes Incorporated 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 9 Weeks Last Time Buy 1 (Unlimited) 8 EAR99 4.9mm ROHS3 Compliant 8-SOIC (0.154, 3.90mm Width) 3-Wire Serial 3.9mm Surface Mount -40°C~85°C CMOS 1.75mm 8542.39.00.01 Clock/Calendar DUAL 3V YES 1.27mm R-PDSO-G8 Timer or RTC Not Qualified 3/5V Alarm, Leap Year, Square Wave Output 1.35V~5.5V HH:MM:SS (12/24 hr) SECONDS Y NO SERIAL, 3-WIRE 1 YY-MM-DD-dd 0.6μA~14μA @ 3V~5V
IDT1339-31DVGI IDT1339-31DVGI Integrated Device Technology (IDT) 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Surface Mount 2006 85°C -40°C RoHS Compliant TSSOP 2-Wire, I2C, Serial HH:MM:SS (12/24 hr) YY-MM-DD-dd
X1205V8 X1205V8 Renesas Electronics America 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Tube 2005 Obsolete 1 (Unlimited) Non-RoHS Compliant 8-TSSOP (0.173, 4.40mm Width) I2C, 2-Wire Serial Surface Mount 0°C~70°C Clock/Calendar X1205 Alarm, Leap Year 2.7V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 10μA~20μA @ 2.7V~5V 1.8V~5.5V
X1226S8IT1 X1226S8IT1 Intersil 0.0000
RFQ

Min: 1

Mult: 1

0.00000000
PCF8564AU/10AB/1,0 PCF8564AU/10AB/1,0 NXP Semiconductors 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 7 Weeks Bulk 2008 Active Not Applicable 9 ROHS3 Compliant Die I2C, 2-Wire Serial Surface Mount -40°C~85°C CMOS 8542.39.00.01 Clock/Calendar UPPER NOT SPECIFIED 2V NOT SPECIFIED PCF8564 9 YES R-XUUC-N9 Timer or RTC Not Qualified 2/5V Alarm, Leap Year, Square Wave Output, Watchdog Timer 1V~5.5V HH:MM:SS (24 hr) 0.032MHz SECONDS Y NO I2C 1 YY-MM-DD-dd 0.6μA~0.75μA @ 2V~5V
ISL12027IB30AZ-T ISL12027IB30AZ-T Rochester Electronics 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Tape & Reel (TR) Obsolete 1 (Unlimited) ROHS3 Compliant 8-SOIC (0.154, 3.90mm Width) I2C, 2-Wire Serial Surface Mount -40°C~85°C Clock/Calendar Alarm, Leap Year, Supervisor, Watchdog Timer 8-SOIC 2.7V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 10μA~20μA @ 2.7V~5.5V 1.8V~5.5V
IDT1338C-18SRI8 IDT1338C-18SRI8 Integrated Device Technology (IDT) 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Surface Mount Tape & Reel (TR) 2006 85°C -40°C Non-RoHS Compliant 16 SOIC 2-Wire, I2C, Serial 56B HH:MM:SS (12/24 hr) YY-MM-DD-dd
ISL12028AIB27Z ISL12028AIB27Z Renesas Electronics America 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Tube 2005 Obsolete 2 (1 Year) ROHS3 Compliant 14-SOIC (0.154, 3.90mm Width) I2C, 2-Wire Serial unknown Surface Mount -40°C~85°C Clock/Calendar ISL12028A Alarm, Leap Year, Supervisor, Watchdog Timer 2.7V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 10μA~20μA @ 2.7V~5.5V 1.8V~5.5V
X1205S8IZ X1205S8IZ Intersil (Renesas Electronics America) 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Surface Mount 2005 5 8 EAR99 85°C -40°C 4.9mm RoHS Compliant 8 SOIC 5.5V 2.7V 3.9mm CMOS 1.75mm e3 MATTE TIN DUAL 260 5V 40 8 INDUSTRIAL 1.27mm Timer or RTC Not Qualified 3/5V HH:MM:SS TIMER, REAL TIME CLOCK 0.032MHz SECONDS Y YES I2C
ISL12028IB30AZ-T ISL12028IB30AZ-T Renesas Electronics America 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Tape & Reel (TR) Obsolete 2 (1 Year) ROHS3 Compliant 14-SOIC (0.154, 3.90mm Width) I2C, 2-Wire Serial Surface Mount -40°C~85°C Clock/Calendar ISL12028 Alarm, Leap Year, Supervisor, Watchdog Timer 14-SOIC 2.7V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 10μA~20μA @ 2.7V~5.5V 1.8V~5.5V
X1227S8-2.7T1 X1227S8-2.7T1 Intersil (Renesas Electronics America) 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 Surface Mount Tape & Reel 1 8 EAR99 70°C 0°C 4.9022mm RoHS Compliant Contains Lead No 8 SOIC 2-Wire, I2C, Serial 3.9116mm CMOS 1.7272mm e0 Tin/Lead (Sn/Pb) DUAL 240 5V 40 8 COMMERCIAL 1.27mm 2.7V Timer or RTC 3/5V 5.5V Clock 512B HH:MM:SS (12/24 hr) 0.032MHz SECONDS Y NO I2C 1 YY-MM-DD-dd
X1227S8T1 X1227S8T1 Renesas Electronics America 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Tape & Reel (TR) Obsolete 1 (Unlimited) Non-RoHS Compliant 8-SOIC (0.154, 3.90mm Width) I2C, 2-Wire Serial Surface Mount 0°C~70°C Clock/Calendar X1227 Alarm, Leap Year, Supervisor, Watchdog Timer 4.5V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 10μA~20μA @ 2.7V~5V 1.8V~5.5V
ISL12028IB27Z ISL12028IB27Z Intersil 0.0000
RFQ

Min: 1

Mult: 1

0.00000000
DS1244YP-70+ DS1244YP-70+ Maxim Integrated 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 11 Weeks Tube 2011 yes Active 3 (168 Hours) 34 EAR99 25.019mm ROHS3 Compliant Lead Free 34-PowerCap™ Module Parallel not_compliant 23.495mm Surface Mount 0°C~70°C CMOS 6.858mm 8473.30.11.40 Phantom Time Chip e3 Matte Tin (Sn) DUAL NOT SPECIFIED 5V NOT SPECIFIED DS1244 34 YES 1.27mm R-XDMA-U34 Timer or RTC Not Qualified 5V Leap Year, NVSRAM 32KB 4.5V~5.5V HH:MM:SS:hh (12/24 hr) 8 1/100SECOND N NO YY-MM-DD-dd 10mA @ 5V 3V
ISL12029IV30AZ-T ISL12029IV30AZ-T Intersil (Renesas Electronics America) 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Surface Mount 2005 Active 1 14 EAR99 85°C -40°C 3.3V 5mm RoHS Compliant No 14 TSSOP 2-Wire, I2C, Serial 5.5V 2.7V 4.4mm CMOS 1.2mm 8542.39.00.01 e3 Matte Tin (Sn) - annealed DUAL 260 3.3V 40 INDUSTRIAL 0.65mm Timer or RTC 3/5V Clock HH:MM:SS 0.032MHz SECONDS Y NO I2C 1 YY-MM-DD-dd
X1228V14 X1228V14 Intersil (Renesas Electronics America) 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Surface Mount Bulk 2005 14 EAR99 70°C 0°C 5mm RoHS Compliant Contains Lead TSSOP 2-Wire, I2C, Serial 4.4mm CMOS 1.2mm 8542.39.00.01 e0 Tin/Lead (Sn/Pb) DUAL 5V 14 COMMERCIAL 0.65mm R-PDSO-G14 2.7V Timer or RTC Not Qualified 5V 5.5V 512B HH:MM:SS (12/24 hr) TIMER, REAL TIME CLOCK 0.032MHz SECONDS Y YES I2C 1 YY-MM-DD-dd
1339B-31DVGI 1339B-31DVGI Renesas Electronics America 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 Last Time Buy 1 (Unlimited) 8-TSSOP, 8-MSOP (0.118, 3.00mm Width) I2C Surface Mount -40°C~85°C Clock/Calendar Alarm, Leap Year, Square Wave Output, Trickle-Charger 2.7V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 200μA @ 3.63V~5.5V 1.3V~3.7V
ISL12027IVZ-T ISL12027IVZ-T Renesas Electronics America 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Tape & Reel (TR) Obsolete 1 (Unlimited) ROHS3 Compliant 8-TSSOP (0.173, 4.40mm Width) I2C, 2-Wire Serial Surface Mount -40°C~85°C Clock/Calendar ISL12027 Alarm, Leap Year, Supervisor, Watchdog Timer 2.7V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 10μA~20μA @ 2.7V~5.5V 1.8V~5.5V
X1288V14T1 X1288V14T1 Intersil (Renesas Electronics America) 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Surface Mount 2005 1 14 EAR99 85°C -40°C 5mm RoHS Compliant Contains Lead TSSOP 2-Wire, I2C, Serial 4.4mm CMOS 1.2mm 8542.39.00.01 e0 Tin/Lead (Sn/Pb) DUAL 240 5V 30 14 COMMERCIAL 0.65mm R-PDSO-G14 4.5V Timer or RTC Not Qualified 5V 5.5V 31.3kB HH:MM:SS:hh (12/24 hr) TIMER, REAL TIME CLOCK 0.032MHz 1/100SECOND Y YES I2C 1 YY-MM-DD-dd
DS1685SN-5/T&R DS1685SN-5/T&R Rochester Electronics 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Tape & Reel (TR) Obsolete 3 (168 Hours) Non-RoHS Compliant 24-SOIC (0.295, 7.50mm Width) Parallel Surface Mount -40°C~85°C Clock/Calendar Alarm, NVSRAM, Square Wave Output, Y2K 24-SOIC 242B 4.5V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 3mA @ 5V 2.5V~3.7V
BQ4285EP BQ4285EP Rochester Electronics 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Tube Obsolete 3 (168 Hours) Non-RoHS Compliant 24-DIP (0.600, 15.24mm) Parallel Through Hole 0°C~70°C Clock/Calendar Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output 24-PDIP 114B 4.5V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 300μA @ 5V 2.5V~4V
PCF85363ATL/AX PCF85363ATL/AX NXP Semiconductors 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 7 Weeks Tape & Reel (TR) 2010 Active 1 (Unlimited) 10 2.6mm ROHS3 Compliant 10-XFDFN Exposed Pad I2C, 2-Wire Serial 2.6mm Surface Mount -40°C~85°C CMOS 0.5mm Clock/Calendar DUAL NOT SPECIFIED 3.3V NOT SPECIFIED PCF85363 10 YES 0.5mm S-PDSO-N10 Alarm, Leap Year, Watchdog Timer 64B 0.9V~5.5V HH:MM:SS:hh (12/24 hr) I2C 1 YY-MM-DD-dd 0.885μA @ 3.3V 0.9V~5.5V
ISL12028IV27Z-T ISL12028IV27Z-T Intersil 0.0000
RFQ

Min: 1

Mult: 1

0.00000000
Settings Need Help?
Top FAQ's

How can I quickly find answers to my questions?

Please visit the Help & Support area of our website to find information regarding ordering, shipping, delivery and more.

What is my Order Status?

Registered users can track orders from their account dropdown, or click here. *Order Status may take 12 hours to update after initial order is placed.

How do I return product?

Users can begin the returns process by starting with our Returns Page.

How do I find price and availability?

Quotes can be created by registered users in myLists.

How do I create a 'HK JDW' Account?

Visit the Registration Page and enter the required information. You will receive an email confirmation when your registration is complete.

United Kingdom/GBP Summary
Fast Shipping Fast Delivery

Orders are typically delivered to United Kingdom within 48 hours depending on location.

Free Shipping Free Shipping

Free delivery to United Kingdom on orders of £33 or more. A delivery charge of £12 will be billed on all orders less than £33.

Incoterms Incoterms

DDP (Duty and customs paid by HK JDW)

Payment Options Payment Types

Credit account for qualified institutions and businesses

Payment in Advance by Wire Transfer

Visa Mastercard American Express PayPal Apple Pay Google Pay

Marketplace Marketplace Product

More Products From Fully Authorized Partners

Average Time to Ship 1-3 Days, extra ship charges may apply. Please see product page, cart, and checkout for actual ship speed.

Incoterms: CPT (Duty, customs, and applicable VAT/Tax due at time of delivery)

For more information visit Help & Support